Happy Birthday Stockard Channing In 1971, she made her Broadway debut in Two Gentlemen of Verona - The Musical, working with playwright John Guare. She also appeared on Broadway in 1973 in a supporting role in No Hard Feelings. In 1978, at the age of 33, she took on the role of high school teenager Betty Rizzo in the hit musical Grease. Additional Broadway credits include They're Playing Our Song, A Day in the Death…
SOURCE: BroadwayWorld at 12:15PM on February 13, 2012